Home
Class 12
CHEMISTRY
The X-ray of wavelength 1.5A^@ are incid...

The X-ray of wavelength `1.5A^@` are incident on a crystal having an interatomic distance of `1.6A^@`. Find out the angles at which the first and second order reflection take place.

Text Solution

Verified by Experts

`27^@57. , 69^@38.`
Promotional Banner

Topper's Solved these Questions

  • SOLID STATE - II

    NCERT TAMIL|Exercise SELF EVALUATION (A. Choose the correct answer)|16 Videos

  • SOLID STATE - II

    NCERT TAMIL|Exercise SELF EVALUATION (B. Answer in one or two sentences)|10 Videos

  • SOLID STATE - II

    NCERT TAMIL|Exercise SELF EVALUATION (C. Answer not exceeding 60 words)|6 Videos

  • SOLID STATE

    NCERT TAMIL|Exercise Example|1 Videos

  • SURFACE CHEMISTRY

    NCERT TAMIL|Exercise EVALUATION (Short Answer )|1 Videos

Similar Questions

Explore conceptually related problems

Diffraction angle 2 theta equal to 14.8 ^(@) for a crystal having interplanar distance in the crystal is 0.400 nm when second order diffraction was observed. Calculate the wavelength of X-ray used.

A parallel beam of monochromatic light of wavelength 663 nm is incident on a totally reflecting plane mirror. The angle of incidence is 60^@ and the number of photons striking the mirror per second is 1.0 xx 10^19 . Calculate the force exerted by the light beam on the mirror.

Find the angle between the lines having direction ratios 2,-1,1 and 5,1,2.

Monochramatic light is incident on the pane interface AB between two media of refractive indices mu_1 and mu_2(mu_2gtmu_1) at an angle of incidence theta as shown in figure. The angle theta is infinitesimally greater thannte critical angle for the two media so thast total internal reflection takes place. Now, if a transparent slab DEFG of uniform thickness and of refractive inde mu_2 is introduced on theinterface (as shown in figure ) , show that for any value of mu_2 all light will ultimately be reflected back into medium II.

At what angle should a ray of light be incident on the face of a prism of refracting angle 60^(@) so that it just suffers total internal reflection at the other face ? The refractive index of the material of the prism is 1.524

The thickness of a glass slab is 0.25 m. It has a refractive index of 1.5 A ray of light is incident on the surface of the slab at an angle of 60^(@) . Find the lateral displacement of the light when it emerges from the other side of the mirror.

A double slit S_1-S_2 is illuminated by a coherent light of wavelength lamda . The slits are separated by a distance d. A plane mirror is placed in front of the double slit at a distance D_1 , from it and a screen sum is placed behind the double slit at a distance D_2 , from it . The screen sum receives only the light reflected by the mirror. Find the fringe-width of the interference pattern on the screen.